Changes since v6 [1]: 1) Fixed an existing NULL pointer dereference bug in __dax_dbg() in patch 1. 2) Fixed an existing bug with the way holes are converted into DAX PMD entries in patch 2. This solves a BUG_ON reported by Dan Williams. 3) Removed second verification of our radix tree entry before cache flush in dax_writeback_one(). (Jan Kara) 4) Updated to the new argument list types for dax_pmd_dbg(). (Dan Williams) 5) Fixed the text of a random debug message so that it accurately reflects the error being found. This series replaces v6 in the MM tree and in the "akpm" branch of the next tree. A working tree can be found here: https://git.kernel.org/cgit/linux/kernel/git/zwisler/linux.git/log/?h=fsync_v7 [1]: https://lists.01.org/pipermail/linux-nvdimm/2015-December/003663.html Ross Zwisler (9): dax: fix NULL pointer dereference in __dax_dbg() dax: fix conversion of holes to PMDs pmem: add wb_cache_pmem() to the PMEM API dax: support dirty DAX entries in radix tree mm: add find_get_entries_tag() dax: add support for fsync/msync ext2: call dax_pfn_mkwrite() for DAX fsync/msync ext4: call dax_pfn_mkwrite() for DAX fsync/msync xfs: call dax_pfn_mkwrite() for DAX fsync/msync arch/x86/include/asm/pmem.h | 11 +-- fs/block_dev.c | 2 +- fs/dax.c | 214 ++++++++++++++++++++++++++++++++++++++++---- fs/ext2/file.c | 4 +- fs/ext4/file.c | 4 +- fs/inode.c | 2 +- fs/xfs/xfs_file.c | 7 +- include/linux/dax.h | 7 ++ include/linux/fs.h | 3 +- include/linux/pagemap.h | 3 + include/linux/pmem.h | 22 ++++- include/linux/radix-tree.h | 9 ++ mm/filemap.c | 91 +++++++++++++++++-- mm/truncate.c | 69 +++++++------- mm/vmscan.c | 9 +- mm/workingset.c | 4 +- 16 files changed, 391 insertions(+), 70 deletions(-) -- 2.5.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>